@conference{892486, author = {Maritoni Litorja and B. Carol Johnson and J Fowler}, title = {Comparison of Area Measurements of Apertures for Exo-Atmospheric Solar Irradiance Between NIST and JPL}, year = {2008}, month = {2008-10-16 14:10:14}, publisher = {SPIE Conference on Optical Engineering and Applications | 2007 |, Undefined}, language = {en}, }